Three of the state’s largest utilities; Arizona Public Service, Salt River Project, and Tucson Electric Power are exploring a ...

The Arizona Supreme Court has set a March 19 execution date for a man who pleaded guilty to murder more than 17 years ago and ...

A new Mesa grant initiative will allow young adults and teens to compete for funding for projects and ideas that address ...

As climate change drives more extreme heat, more Americans are falling behind on summer utility bills, and a new report says Arizona Public Service customers are among those struggling to keep up.

About 80 percent of manufacturing investments spurred by a Biden-era climate law have flowed to Republican districts. Efforts ...

The orders could affect Arizona through their impact on climate change and potential harm to the electric vehicle industry. There are no significant proven oil or gas reserves in Arizona, and analysts ...

Arizona's first 18 federally financed electric vehicle charging stations will start construction late this year as planned, ...

Amid dangerous droughts, Arizona officials have attempted to address groundwater shortages by limiting development in the ...

Players are at risk of heat exhaustion, characterized by symptoms including faintness, dizziness, fatigue, weak or rapid pulse, and low blood pressure; and heat stroke, with symptoms including high ...

An $850 million loan from the energy department to support KORE Power's battery plant in Buckeye never came. The company has ...